Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU45152/68A
Inventor
Chris Dehn Frederick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
Filing date
Publication of AU425432B2publicationCriticalpatent/AU425432B2/en
Application filed by PPG Industries IncfiledCriticalPPG Industries Inc